Abstr #2192 risk of serious infxn in newborns of mothers on TNFi by placental transfer - % serious infection in TNFi in high vs low placental transfer (2.1% vs 1.6%) - HR (high vs low) 0.98 (95% CI 0.36-2.61) - No significant difference in risk of serious infxn @RheumNow #ACR22 https://t.co/7Lfpf7PERu